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authorGravatar Joey Hess <joey@kitenet.net>2014-11-12 15:57:38 -0400
committerGravatar Joey Hess <joey@kitenet.net>2014-11-12 15:57:38 -0400
commita6dc204fbb6f82702bc093f1ab523802c7826108 (patch)
tree6d57006497c362c9a9b5af54ab3e3d2d53a94289 /Git
parent94f4698441e58316494d46af0d2c9f8374bf89ff (diff)
simplify
Diffstat (limited to 'Git')
-rw-r--r--Git/Branch.hs5
1 files changed, 1 insertions, 4 deletions
diff --git a/Git/Branch.hs b/Git/Branch.hs
index 1d5ffd39d..5c6135d57 100644
--- a/Git/Branch.hs
+++ b/Git/Branch.hs
@@ -44,10 +44,7 @@ currentUnsafe r = parse . firstLine
| otherwise = Just $ Git.Ref l
currentSha :: Repo -> IO (Maybe Git.Sha)
-currentSha r = go =<< current r
- where
- go Nothing = return Nothing
- go (Just ref) = Git.Ref.sha ref r
+currentSha r = maybe (pure Nothing) (`Git.Ref.sha` r) =<< current r
{- Checks if the second branch has any commits not present on the first
- branch. -}